avocado/packages/entity/test/mobile.js

import {resource} from '@avocado/resource';
import {Latus} from '@latus/core';
import {expect} from 'chai';

const {name} = require('../package.json');

describe(name, () => {
  let latus;
  let Entity;
  let EntityList;
  beforeEach(async () => {
    latus = Latus.mock([
      ['@avocado/entity', `${__dirname}/../src`],
      '@avocado/resource',
      '@avocado/traits',
    ]);
    await Promise.all(latus.invokeFlat('@latus/core/starting'));
    ({fromResourceType: {Entity, EntityList}} = resource(latus));
  });
  describe('Traits', () => {
    describe('Mobile', () => {
      let entity;
      beforeEach(async () => {
        entity = await Entity.load({
          traits: {
            Mobile: {},
            Positioned: {},
          },
        });
      });
      it('exists', async () => {
        expect(entity.is('Mobile')).to.be.true;
      });
      it('can request movement', async () => {
        entity.speed = 100;
        entity.requestMovement([1, 0]);
        entity.tick(1);
        expect(entity.position).to.deep.equal([100, 0]);
        entity.tick(1);
        expect(entity.position).to.deep.equal([100, 0]);
        entity.isMobile = false;
        entity.requestMovement([1, 0]);
        entity.tick(1);
        expect(entity.position).to.deep.equal([100, 0]);
      });
      it('can force movement', async () => {
        expect(entity.speed).to.equal(0);
        entity.forceMovement([10, 0]);
        expect(entity.position).to.deep.equal([10, 0]);
      });
      it('can move for a time', async () => {
        entity.speed = 10;
        const tickingPromise = entity.moveFor([1, 0], 1);
        entity.addTickingPromise(tickingPromise);
        expect(entity.position).to.deep.equal([0, 0]);
        entity.tick(0.25);
        expect(entity.position).to.deep.equal([2.5, 0]);
        entity.tick(0.25);
        expect(entity.position).to.deep.equal([5, 0]);
        entity.tick(0.5);
        expect(entity.position).to.deep.equal([10, 0]);
        return tickingPromise;
      });
    });
  });
});